Alright, let's work through 8157 times 8763 step by step
8157 × 8763 = 8763 × (8157)
+ 8763 × 7 that is equal 61341
+ 8763 × 50 that equals 438150
+ 8763 × 100 that equals 876300
+ 8763 × 8000 what gives us 70104000

= 71479791
